@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042084,
 author = {Kunitomo, Naoto and Seisho, Sato},
 month = {Nov},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Realized Volatility, Covariance and Hedging Coefficient of the Nikkei-225 Futures with Micro-Market Noise},
 year = {2008}
}